Deactivated NPI 1417065962 Deactivated / Inactive NPI Female Practitioner

Dr. Esther Elizabeth Walker , DO

Emergency Medicine • Norman, OK

⚠️

Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Esther Walker has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date August 25, 2006

NPI Deactivation Date April 17, 2025

Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Esther Walker, DO was a registered Emergency Medicine practicing in Norman, OK. Throughout an active medical career spanning 19 years, Dr. Walker provided care at the practice location at 3500 HEALTHPLEX PKWY until profile deactivation on 2025-04-17.

Historical Medicare Part B clinical services included removal of tissue from wound, 20.0 sq cm or less, removal of tissue from wound, established patient outpatient office visit. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

3500 Healthplex Pkwy
Suite #102

Norman, OK 730729738

Telephone 4053076918

Fax 4053076957

Associated Practice Facility / Clinic

🏢 Norman Cardiovascular Surgery Associates Facility NPI 1295948800

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Norman, OK

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 8.8 Yrs

State Avg: 25.0 Yrs

Regional Practice Density

65 Specialists

Practicing in Norman, OK (784 Statewide)

Telehealth Adoption Rate

1.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

48.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	45	41	$85.00	$36.25
97598 Removal of tissue from wound, each additional 20.0 sq cm	25	11	$50.00	$25.40
99213 Established patient office or other outpatient visit, typically 15 minutes	23	23	$80.00	$49.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	838	149	$85.00	$23.75
99213 Established patient office or other outpatient visit, typically 15 minutes	376	129	$80.00	$50.06
97598 Removal of tissue from wound, each additional 20.0 sq cm	334	43	$50.00	$11.21
99183 Management and supervision of oxygen chamber therapy per session	168	20	$225.00	$108.74
11042 Removal of skin and tissue, 20.0 sq cm or less	66	40	$200.00	$60.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$225.00	$126.59
93923 Complete ultrasound study of arm and leg arteries	32	31	$50.00	$22.05
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	17	$200.00	$108.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	602	155	$85.00	$22.82
99213 Established patient office or other outpatient visit, typically 15 minutes	255	110	$80.00	$48.28
97598 Removal of tissue from wound, each additional 20.0 sq cm	144	26	$50.00	$10.75
99183 Management and supervision of oxygen chamber therapy per session	97	14	$225.00	$104.84
11042 Removal of skin and tissue, 20.0 sq cm or less	74	47	$200.00	$58.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$225.00	$121.90
93923 Complete ultrasound study of arm and leg arteries	29	29	$50.00	$21.18
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	28	27	$202.86	$104.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$125.00	$72.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97597 Removal of tissue from wound, 20.0 sq cm or less	553	141	$85.00	$20.94
11042 Removal of skin and tissue, 20.0 sq cm or less	237	68	$200.00	$55.43
99213 Established patient office or other outpatient visit, typically 15 minutes	167	68	$80.00	$45.38
99183 Management and supervision of oxygen chamber therapy per session	161	26	$225.00	$99.40
97598 Removal of tissue from wound, each additional 20.0 sq cm	108	34	$50.00	$9.75
97597 Removal of tissue from wound, 20.0 sq cm or less	52	34	$85.00	$20.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$225.00	$114.67
11042 Removal of skin and tissue, 20.0 sq cm or less	23	12	$200.00	$55.58
93923 Complete ultrasound study of arm and leg arteries	23	23	$50.00	$20.43
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	12	$200.00	$99.81
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$80.00	$45.78

Medical Specialties & State Licenses

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License OK 1934

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners

Dr. Jacinto Zambrano , MD

Surgery - Plastic and Reconstructive Surgery

NPI 1043315542

Doctor of Medicine (M.D.)

Dr. John Delcambre , MD

Surgery

NPI 1700957222

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events

⚠️

NPI Profile Deactivated April 17, 2025

Record deactivated on April 17, 2025

✅

NPI Profile Active July 21, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 21, 2016

Registered at 3500 HEALTHPLEX PKWY, SUITE #102, NORMAN, OK 730729738 (Tel: 4053076918)

📍

Updated Business Mailing Address July 21, 2016

Registered at PO BOX 1423, EDMOND, OK 730831423 (Tel: 4057714844)

👤

Provider Name / Credentials Updated July 21, 2016

Recorded as ESTHER WALKER, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 21, 2016

Emergency Medicine (License #1934 in OK)

🟢

Initial NPI Registration & Enumeration August 25, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Esther Walker. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1417065962

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 25, 2006

Last Update: July 21, 2016

Deactivation Date: April 17, 2025

Update or Correct Profile

Mailing Address

Po Box 1423

Edmond, OK 730831423

Phone: 4057714844

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.